commit f81af21caf9c0f62c60b72762d9a927e8c24f679
author Alkis Evlogimenos <alkis@evlogimenos.com> Sat Feb 14 01:18:34 2004 +0000
committer Alkis Evlogimenos <alkis@evlogimenos.com> Sat Feb 14 01:18:34 2004 +0000
tree 6b7865d9540825fa4d391794ff356793a5dfc235
parent bc79471be19e412eed4d270908db7ac945be10ca

Use newly added next() and prior() utility functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11430 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/TwoAddressInstructionPass.cpp

diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 8dc2ffe..6f1e990 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -38,6 +38,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "Support/Debug.h"
 #include "Support/Statistic.h"
+#include "Support/STLExtras.h"
 #include <iostream>
 using namespace llvm;
 
@@ -134,8 +135,7 @@
                 unsigned Added = MRI.copyRegToReg(*mbbi, mi, regA, regB, rc);
                 numInstrsAdded += Added;
 
-                MachineBasicBlock::iterator prevMi = mi;
-                --prevMi;
+                MachineBasicBlock::iterator prevMi = prior(mi);
                 DEBUG(std::cerr << "\t\tadded instruction: ";
                       prevMi->print(std::cerr, TM));